Home / 133,139,421.11-183,732,650.06-74,402,086.29

Finding the Fourth Proportional to 133,139,421.11, 183,732,650.06 and 74,402,086.29

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Solution

The fourth proportional to 133,139,421.11, 183,732,650.06 and 74,402,086.29 is: 102,675,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,139,421.11 : 183,732,650.06 = 74,402,086.29 : x
  2. Step 2: Convert to fraction form
    133,139,421.11/183,732,650.06 = 74,402,086.29/x
  3. Step 3: Cross multiply
    133,139,421.11x = 183,732,650.06 × 74,402,086.29
  4. Step 4: Simplify right side
    133,139,421.11x = 13,670,092,484,026,984
  5. Step 5: Solve for x
    x = 13,670,092,484,026,984/133,139,421.11
  6. Step 6: Final answer
    x = 102,675,018.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.